I don't mean Omeluum's arcane powers, but how he acts. Omeluum finds companionship with Bluurg and doesn't seem to try to transform him, or mind thrall him. He does not prioritize his own life above others, even asks you to rescue the duke intead of him on the submarine.
OH, I get you now. There's a small chance they took that from Critical Role season 1. At some point I think during the campaign wrap-up Matt talks about an arcane mindflayer they encountered early on after it was exiled and living alone, and how if they actually established trust and companionship with it, it could actually have become a real ally and friend to them. Otherwise that's also probably pulled from the lore bits about how they develop their own personalities. One that felt the need to escape because they weren't under control might have sympathized with those that mindflayers WOULD control and decided not to engage in such a thing. I don't know of any other notable examples, but it's the exact type of interesting thing that players would want to engage with in a tabletop campaign so I can see why they wrote Omeluum this way. Being willing to prioritize saving others is at least nicely consistent with the research he's doing to find alternate viable sustenance for his species.
